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DB-Engines Ranking of Key-value Stores

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The DB-Engines Ranking ranks database management systems according to their popularity. The ranking is updated monthly.

This is a partial list of the complete ranking showing only key-value stores.

Read more about the method of calculating the scores.

☐ include secondary database models				72 systems in ranking, September 2026
Rank			DBMS	Database Model	Score
Sep 2026	Aug 2026	Sep 2025			Sep 2026	Aug 2026	Sep 2025
1.	1.	1.	Redis	Key-value, Multi-model Key-value store Document store Graph DBMS Spatial DBMS Search engine Time Series DBMS Vector DBMS	158.06	+1.55	+12.89
2.	2.	2.	Amazon DynamoDB	Multi-model Document store Key-value store	56.36	+2.16	-23.92
3.	3.	3.	Microsoft Azure Cosmos DB	Multi-model Document store Graph DBMS Key-value store Wide column store Spatial DBMS	20.35	-0.31	-3.59
4.	4.	4.	Memcached	Key-value	13.06	-1.20	-3.10
5.	5.	5.	etcd	Key-value	7.36	+0.26	-0.08
6.	6.	6.	Hazelcast	Key-value, Multi-model Key-value store Document store	4.52	-0.09	-0.74
7.	7.	7.	Aerospike	Multi-model Document store Graph DBMS Key-value store Spatial DBMS	4.12	-0.21	-0.98
8.	8.	10.	RocksDB	Key-value	3.79	-0.15	+0.46
9.	9.	8.	Oracle NoSQL	Multi-model Document store Key-value store Relational DBMS	3.57	+0.08	-0.05
10.	10.	13.	Arango Detailed vendor-provided information available	Multi-model Document store Graph DBMS Key-value store Multi-Model DBMS Search engine Vector DBMS	3.38	-0.07	+0.44
11.	11.	11.	Riak KV	Key-value	3.13	+0.01	-0.19
12.	13.	12.	Apache Ignite	Multi-model Key-value store Relational DBMS	2.75	+0.02	-0.35
13.	12.	9.	Ehcache	Key-value	2.73	-0.01	-0.75
14.	14.	22.	Valkey	Key-value	2.58	-0.09	+0.85
15.	15.	14.	GemFire	Key-value, Multi-model Key-value store Document store	2.55	0.00	-0.38
16.	17.	15.	Google Cloud Bigtable	Multi-model Key-value store Wide column store	2.52	+0.10	-0.24
17.	16.	16.	OrientDB	Multi-model Document store Graph DBMS Key-value store	2.50	+0.06	-0.09
18.	18.	17.	InterSystems IRIS	Multi-model Document store Key-value store Object oriented DBMS Relational DBMS	2.05	+0.04	-0.22
19.	19.	20.	LMDB	Key-value	1.93	+0.03	-0.08
20.	20.	18.	LevelDB	Key-value	1.82	+0.02	-0.28
21.	21.	19.	Infinispan	Key-value	1.80	0.00	-0.25
22.	22.	21.	Oracle Coherence	Key-value	1.58	-0.01	-0.21
23.	23.	23.	Amazon SimpleDB	Key-value	1.57	+0.03	-0.14
24.	24.	24.	Oracle Berkeley DB	Multi-model Key-value store Native XML DBMS	1.52	0.00	-0.14
25.	25.	26.	GridGain	Multi-model Columnar Key-value store Object oriented DBMS Relational DBMS	1.32	-0.02	-0.07
26.	27.	25.	Geode	Key-value	1.27	+0.00	-0.13
27.	26.	27.	Tarantool	Multi-model Document store Key-value store Relational DBMS Spatial DBMS	1.24	-0.03	-0.13
28.	28.	28.	FoundationDB	Multi-model Document store Key-value store Relational DBMS	1.10	-0.14	+0.13
29.	29.	29.	GT.M	Key-value	0.90	0.00	+0.00
30.	30.	31.	NCache	Key-value, Multi-model Key-value store Document store Search engine	0.75	-0.04	-0.06
31.	31.	32.	KeyDB	Key-value	0.72	+0.02	+0.04
32.	32.	30.	ZODB	Key-value	0.70	+0.00	-0.12
33.	33.	34.	Graph Engine	Multi-model Graph DBMS Key-value store	0.64	+0.03	+0.08
34.	34.	35.	Dragonfly	Key-value	0.55	+0.00	+0.00
35.	35.	33.	BoltDB	Key-value	0.54	+0.00	-0.06
36.	36.	38.	Scalaris	Key-value	0.45	-0.02	+0.04
37.	38.	36.	WebSphere eXtreme Scale	Key-value	0.42	0.00	-0.09
38.	37.	40.	Cloudflare Workers KV	Key-value	0.42	-0.03	+0.04
39.	39.	37.	MapDB	Key-value	0.41	0.00	-0.06
40.	40.	39.	Hibari	Key-value	0.38	+0.01	-0.03
41.	41.	47.	ArcadeDB	Multi-model Document store Graph DBMS Key-value store Search engine Time Series DBMS Vector DBMS	0.28	+0.02	+0.11
42.	42.	49.	Kyoto Tycoon	Key-value	0.26	+0.01	+0.13
43.	43.	41.	Project Voldemort	Key-value	0.23	0.00	-0.04
44.	44.	51.	Tokyo Tyrant	Key-value	0.22	0.00	+0.14
45.	46.	43.	YTsaurus	Multi-model Document store Key-value store	0.22	+0.01	-0.01
46.	45.	44.	LeanXcale	Multi-model Key-value store Relational DBMS	0.21	0.00	-0.01
47.	48.	42.	Immudb	Key-value, Multi-model Key-value store Relational DBMS	0.19	+0.02	-0.05
48.	47.	46.	YottaDB	Key-value, Multi-model Key-value store Relational DBMS	0.18	0.00	+0.00
49.	49.	45.	Faircom DB	Multi-model Key-value store Relational DBMS	0.13	-0.01	-0.09
50.	50.	50.	Speedb	Key-value	0.09	-0.01	0.00
51.	51.	48.	Badger	Key-value	0.08	0.00	-0.04
52.	52.	52.	ScaleOut StateServer	Key-value	0.07	0.00	0.00
53.	53.	53.	Elliptics	Key-value	0.06	0.00	+0.00
54.	54.	56.	STSdb	Key-value	0.04	0.00	+0.00
55.	55.	58.	Faircom EDGE	Multi-model Key-value store Relational DBMS	0.02	0.00	+0.01
56.	56.	57.	Resin Cache	Key-value	0.01	+0.00	0.00
57.	57.	59.	LedisDB	Key-value	0.00	+0.00	+0.00
58.	58.	60.	SwayDB	Key-value	0.00	+0.00	+0.00
59.	59.	61.	BergDB	Key-value	0.00	±0.00	±0.00
59.	59.	61.	Cachelot.io	Key-value	0.00	±0.00	±0.00
59.	59.	61.	CortexDB	Multi-model Document store Key-value store	0.00	±0.00	±0.00
59.	59.	61.	Helium	Key-value	0.00	±0.00	±0.00
59.	59.	61.	HyperLevelDB	Key-value	0.00	±0.00	±0.00
59.	59.	61.	InfinityDB	Key-value	0.00	±0.00	±0.00
59.	59.	61.	JaguarDB	Multi-model Key-value store Vector DBMS	0.00	±0.00	±0.00
59.	59.	54.	Skytable	Key-value	0.00	±0.00	-0.05
59.	59.	61.	TerarkDB	Key-value	0.00	±0.00	±0.00
59.	59.		TidesDB	Key-value	0.00	±0.00
59.	59.	55.	Tigris	Multi-model Document store Key-value store Search engine Time Series DBMS	0.00	±0.00	-0.05
59.	59.	61.	Tkrzw	Key-value	0.00	±0.00	±0.00
59.	59.	61.	TomP2P	Key-value	0.00	±0.00	±0.00
59.	59.	61.	Upscaledb	Key-value	0.00	±0.00	±0.00

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